Diaphragm low pressure line valve for high flow - VM45
Equipment for gas systems > Speciality gas equipment > O-ring and diaphragm line valves
VM45 is a low pressure line valve for various pure gases. It has high leak tightness thanks to its diaphragm sealing and high flow through 8mm orifice.
Key advantages
  • Available in 1/4 turn, multi-turn versions
  • Fixing ring for flush-mounting in panel
  • Rear thread for panel mounting
Female portsG 3/8 or 1/4 NPT (inlet/outlet)
Seat sealPCTFE
Bottom taperedOK
Weight± 0,75 kg
Leak rate10-8 M bar l/s
Temperature range-20 to +50 °c
Seat orifice sizeØ 8 Mm
Inlet pressure45 bar
Flow coefficientCv 0.58 / Kv 0,50
Oxygen useOK for brass and stainless steel
Dimensional drawings
Product Configurator
Body material
End connections
1/4 T
Chrome plated brass
Stainless steel
G 3/8 - Female
1/4 NPT - Female
1/4 turn
Downloadable catalogs, brochures
  • Download
    Pressure Regulators Catalog
    Last update: Feb 21, 2022
    Available in: en/fr/de/fr/de
Connect with an Expert

This site uses cookies.

Rotarex uses cookies to ensure a better and easier online experience. Please click here to accept the continued use of these cookies after reading our revised COOKIES POLICY.

Please note, you may continue to use the website even if you do not accept the use of cookies. However, the visitor experience on subsequent visits will be diminished.

Read the full COOKIES POLICY.